import router from "./router";
import store from "./store";
import { Message } from "element-ui";
import NProgress from "nprogress"; // progress bar
import "nprogress/nprogress.css"; // progress bar style
import { getToken } from "@/utils/auth";

NProgress.configure({ showSpinner: false }); // 不显示进度环

const whiteList = ["/login", "/logisticsH5", "/goodsDetails"]; // no redirect whitelist

router.beforeEach(async(to, from, next) => {
    // start progress bar
    NProgress.start();

    // determine whether the user has logged in
    const hasToken = getToken();

    if (hasToken) {
        if (to.path === "/login" || (to.path === "/404" && from.name === "login")) {
            // if is logged in, redirect to the home page
            next({ path: "/" });
            NProgress.done();
        } else {
            const hasMenu = store.getters.menu && store.getters.menu.length > 0;
            if (hasMenu) {
                next();
            } else {
                try {
                    const { menu } = await store.dispatch("user/getMenu");
                    if (menu.length > 0) {
                        const accessRoutes = await store.dispatch(
                            "permission/generateRoutes",
                            menu
                        );
                        // dynamically add accessible routes
                        router.addRoutes(accessRoutes);
                        // hack method to ensure that addRoutes is complete
                        // set the replace: true, so the navigation will not leave a history record
                        next({...to, replace: true });
                    } else {
                        store.dispatch("user/logout");
                    }
                } catch (error) {
                    // remove token and go to login page to re-login
                    await store.dispatch("user/resetToken");
                    // Message.error({ message: error.msg || "Has Error" });
                    next(`/login?redirect=${to.path}`);
                    NProgress.done();
                }
            }
        }
    } else {
        console.log('查看路由--', to);
        /* has no token*/
        if (whiteList.indexOf(to.path) !== -1) {
            // in the free login whitelist, go directly
            next();
        } else if (to.meta && to.meta.noLogin) {
            // 未登录状态下 访问路由
            next()
        } else {
            // other pages that do not have permission to access are redirected to the login page.
            next(`/login?redirect=${to.path}`);
            NProgress.done();
        }
    }
});

router.afterEach(() => {
    // finish progress bar
    NProgress.done();
});